Follow the latest Boulder shooting news, videos, and analysis from ABC News.
1 year ago
Man accused of killing 10 in Colorado market massacre pleads not guilty by insanity
The man accused of killing 10 grocery shoppers in Boulder, Colorado, in March 2021 entered a plea of not guilty by reason of insanity today.
1 year ago
3 years ago
King Soopers reopens year after mass shooting: 'We're stronger than ever'
Ten people were killed during the shooting on March 22, 2021.
3 years ago
3 years ago
Officer found justified to shoot suspect in Boulder grocery store mass shooting
A Colorado district attorney found Officer Richard Steidell to be justified.
3 years ago
3 years ago
Officer won't face charges for shooting suspect in grocery store massacre
The police officer who shot and injured a mass shooting suspect at a Boulder, Colorado, grocery store won't face criminal charges.
3 years ago
4 years ago
Boulder mass shooting: 9 civilians killed before officer arrived
More charges have been filed against the man accused of killing 10 people at a King Soopers grocery store on March 22.
4 years ago
4 years ago
Prosecution files 43 additional charges against King Soopers shooting suspect
The suspect now faces additional charges including first-degree attempted murder, first-degree assault and carrying prohibited large capacity magazines.
4 years ago
4 years ago
Questions over gun loopholes and metal health in wake of Boulder shooting
The suspect is expected to face additional charges as new questions are being raised about his mental health.
4 years ago
4 years ago
Investigators say they still have no motive in Boulder shooting
Authorities said Friday that the Ruger AR-556, that was purchased by suspect Ahmad Alissa just six days before the attack, was the murder weapon. The semi-automatic pistol was bought legally.
4 years ago
4 years ago
Boulder mass shooting victims remembered, including police officer, future grandpa
Family members and more remember the victims of the mass shooting at a grocery store in Boulder, Colorado.
4 years ago
4 years ago
11-year-old boy gives flowers to King Soopers employees
A Colorado boy handed out flowers to help comfort King Soopers employees after a mass shooting.
4 years ago
4 years ago
Still no motive in Boulder shooting, police chief says
The Boulder mass shooting suspect has been moved to an undisclosed facility because of death threats, according to authorities.
4 years ago
4 years ago
King Soopers donating $1 million to Colorado Healing Fund in wake of mass shooting
King Soopers, the Colorado-based grocery chain that saw one of its stores become the site of a mass shooting, is donating $1 million to support community healing.
4 years ago
4 years ago
Still no motive in Boulder shooting, police chief says
A motive has not been determined in the mass shooting that killed 10 people at a Boulder, Colorado, grocery store.
4 years ago
4 years ago
King Soopers announces $1 million donation to the Colorado Healing Fund
The grocery store's donation will go toward supporting the needs of victims, families, survivors and the community.
4 years ago
4 years ago
Alleged Boulder gunman expected to appear in court
Ahmad Alissa, 21, who is suspected to be responsible for the grocery store shooting that killed 10 people, is scheduled to make his first court appearance Thursday morning.
4 years ago
4 years ago
Man accused of supermarket mass shooting appears in court
The judge informed 21-year-old Ahmad Alissa that he faces 10 counts of murder and a single count of attempted murder in connection with Monday’s massacre in Boulder, Colorado.
4 years ago
4 years ago
Boulder supermarket shooting investigation continues
The suspect’s defense team asked for a delay in trial to assess his mental health.
4 years ago
4 years ago
Boulder shooting suspect makes 1st court appearance as community grieves
The 21-year-old accused of gunning down 10 people at a Boulder, Colorado, grocery store is due in court Thursday.
4 years ago
4 years ago
Boulder shooting suspect makes 1st court appearance
The 21-year-old accused of killing 10 people, including a police officer, at a King Soopers grocery store in Boulder, Colorado, made his first court appearance Thursday.
4 years ago
4 years ago
Investigators search for mass shooting motive
Crowds lined the streets of Boulder, Colorado, to honor the motorcade bearing the casket of officer Eric Talley. Accused suspect Ahmad Alissa will make his first court appearance Thursday.
4 years ago
4 years ago
Remembering the 10 lives lost in Boulder shooting
Kevin Mahoney, 61, was about to become a grandfather. Another victim, Denny Strong, 20, dreamed of becoming a pilot.
4 years ago
4 years ago
ABC News Live Update: New details from the supermarket shooting in Colorado
Plus, COVID cases are rising in 16 states as President Joe Biden announces details of a new vaccine shipment this week, and two new Muppets join “Sesame Street” to help kids learn about race.
4 years ago
4 years ago
ABC News Live Update: Disturbing new details about Colorado shooter
Plus, all jurors have been seated for the trial of Derek Chauvin, and “Shark Tank” co-host and entrepreneur Barbara Corcoran gives advice for small businesses in the pandemic.
4 years ago
4 years ago
New details arise as investigation begins into Boulder shooting
Authorities say suspect Ahmad Alissa, 21, purchased the military-style rifle one week before he allegedly killed 10 people at a King Soopers supermarket.
4 years ago
4 years ago
Questions on how alleged gunman purchased firearms before Boulder rampage
Investigators claim Ahmed Alissa legally purchased a Ruger AR-556 semiautomatic pistol one week before the shooting spree, despite family members’ concerns about his mental health.
4 years ago
4 years ago
Colorado's tragic history of mass shootings from Columbine to King Soopers
Colorado has a tragic history of mass shootings, including the 1999 Columbine shooting and the 2012 Aurora theater attack.
4 years ago
4 years ago
10 killed In Colorado shooting
After a gunman opened fire at a grocery store where residents gathered to shop and receive COVID-19 vaccines, "The View" reacts and questions if Americans will push for stricter gun laws.
4 years ago
4 years ago
Colorado lawmaker: Mass shootings ‘can happen anywhere’
Colorado state representative Thomas Sullivan, who lost his son in the Aurora theater shooting in 2012, speaks about gun control efforts at the state and federal level.
4 years ago
4 years ago
Boulder police chief remembers slain officer
Chief Maris Herold became emotional while describing Eric Talley, the officer who was killed in the supermarket shooting Monday. She said Talley leaves behind seven children.
4 years ago
4 years ago
Officials give update on Colorado supermarket shooting
Police identify the victims and gunman in the mass shooting at the King’s Soopers supermarket in Boulder.
4 years ago
4 years ago
Eyewitness from Boulder shooting speaks out
Sarah Moonshadow, who was at the grocery store when the gunman opened fire, recounts her experience during the shooting.
4 years ago
4 years ago
At least 10 dead in mass shooting at Boulder grocery store
Authorities say at least 10 people were killed, including a city police officer, after an armed man with a rifle, opened fire in a supermarket parking lot on Monday afternoon.
4 years ago
4 years ago
Police identify victims in Boulder mass shooting
Police said 10 people were killed, including an officer, after a shooting at a King Soopers grocery store in Boulder, Colorado.
4 years ago
4 years ago
Boulder district attorney discusses investigation into mass shooting
The suspect is in custody after opening fire at a King Soopers grocery store in Boulder, Colorado.
4 years ago
4 years ago
Biden comments on Boulder mass shooting
President Joe Biden called on Congress to pass gun legislation as the country faces its second mass shooting in one week.
4 years ago
4 years ago
Police uncover missed signals as they investigate Boulder shooting
According to newly released charges, a family member of the suspect told police he was “playing” with a “machine gun” about two days ago.
4 years ago
4 years ago
The Breakdown: 10 killed in supermarket shooting in Colorado
Plus, Immigration and Customs Enforcement and the Department of Homeland Security are sued over a sting operation using a fake university and how businesses are handling the return of March Madness.
4 years ago
4 years ago
Victims identified in deadly Colorado supermarket shooting
The 10 victims in Monday's Colorado shooting were identified this morning by police as they continue their investigation into the 21-year-old suspected shooter.
4 years ago
4 years ago
Person of interest in custody after shooting at grocery store in Boulder, Colorado
Colorado police arrested a person of interest after a shooting at a King Soopers grocery store in Boulder. Police confirmed 10 people were killed, including an officer.
4 years ago
4 years ago
10 killed in supermarket shooting in Boulder, Colorado
The names of the nine civilian victims and one police officer killed in Monday’s mass shooting at the King Soopers store in Boulder, Colorado, were released Tuesday. The community mourns their loss.
4 years ago
4 years ago
Gunman kills at least 10 people in Colorado supermarket
A suspect was taken into custody. A motive was unclear.
4 years ago
4 years ago
Boulder shooting survivor recounts how she escaped: 'We knew he was getting closer'
When a gunman opened fire at a Boulder store, Sarah Moonshadow, who was there shopping with her son, timed the gunfire to figure out when to flee to safety.
4 years ago
4 years ago
Boulder shooting: Multiple deaths, arrest made
A person of interest, who was wounded during the incident, was taken into custody, police confirmed.
4 years ago
4 years ago
Active shooter reported at grocery store in Colorado
There are reports of injuries, but no further details are currently available, according to the source.
4 years ago